K1 Arena Fighters

Switch on with the K1 disc inside. Hold L1+L2+Triangle+Circle+Left on both controllers while the game loads.Continue to hold them until the demo begins. Instead of the normal intro, you will see the ending movie and game credits.

During a match pause. Then press L2, R1, L1, R1, L2, R1. Use the D-pad to move the flashing numbers up or down for each character so you can increase or decrease your chosen players strength from 1 to 9.